The force exerted is 2 N
Explanation:
The pressure is defined as the amount of force exerted per unit surface. Mathematically:
[tex]p=\frac{F}{A}[/tex]
where
p is the pressure
F is the magnitude of the force
A is the area over which the force is acting
In this problem, we have:
[tex]A=cm^2[/tex] is the area
[tex]p=0.5 N/cm^2[/tex] is the pressure exerted
Solving for F, we find the force:
[tex]F=pA=(0.5)(4)=2 N[/tex]
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